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Pearl cotton hot melt adhesiveMany customers often encounter the phenomenon of weak adhesion when using a roller hot melt adhesive machine to glue pearl cotton. This is because the amount of glue is not enough, resulting in poor adhesion. However, increasing the amount of glue will cause waste and increase costs. So it is necessary for us to adjust the machine to achieve perfect glue application, which will not cause a lot of waste or weak bonding.
1、 The roller height is adjustable. Generally, the lower the roller, the more adhesive it comes into contact with and the more adhesive it carries out. On the contrary, the higher the height of the drum, the less adhesive it comes into contact with, and the less adhesive it carries out.
2、 The drum speed is adjustable. When the speed is fast, the amount of glue applied to the drum will be less. When the speed is slow, more glue will be applied to the drum.
We need to adjust the height and speed of the drum to adjust the glue application amount to the most suitable range, in order to achieve the optimal glue application amount (the minimum glue application amount that does not affect the bonding effect).
In addition, the temperature of the hot melt glue machine and the temperature of the drum have an impact on the amount of glue applied, because the higher the temperature, the lower the viscosity of the hot melt glue, and the less glue it brings. On the contrary, the lower the temperature, the higher the viscosity and consistency of the hot melt adhesive, thereby producing the glue. There will be more. The temperature of the melting pot is the same.
Can PUR and EVA be mixed? Some manufacturers want to save time by using the same glue pot alternately for PUR and EVA adhesives, or by “mixing and complementing each other’s strengths and weaknesses”. These three misconceptions not only fail to increase efficiency, but also cause equipment damage and adhesive failure. Misconception 1: “Two types […]
The acceptance of pearl cotton hot melt adhesive should not only focus on whether it sticks when just pressed. For the processing of cushioning packaging, lining, and combination packaging, appearance, positioning, and adhesive performance after cooling are equally important as batch operation stability. This article provides a practical on-site judgment method. Core KeywordsPearl cotton adhesive, […]
How to reduce the drawing problem of packaging hot melt adhesive? The manufacturer’s downtime may come at a high cost. Preventing production issues and maintaining production line operation are crucial for brand owners. Threading is a common issue that affects consumer packaging. Reduce the drawing of hot melt packaging adhesive by making some easy to […]
Conclusion The amount of glue used is small, and there are many varieties (books, packaging, and quick printing require a little each). Buying each item alone cannot meet the minimum order quantity, and the unit price is high. Using “mixed batch and combined order” – combining multiple categories of orders from the same supplier, or […]
